Predicting Rainfall-erosion Losses from Cropland East of the Rocky Mountains: Guide for Selection of Practices for Soil and Water Conservation, Issues 282-284 |
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9-percent slope ANDREWS MARTIN ANNUAL EROSION INDEX average annual BUSHATICAL CASS CLAY column computed conservation continuous fallow Corn Belt CRAW crop-stage period cropping and management cropping system DECA DICK SARGENT Dixon Springs Do___ erodibility erosion equation EROSION INDEX 80 EROSION INDEX PERCENT erosion-control erosion-index distribution curve estimates ETTE evaluated factor values farm FORD Fountain County gr & lg gradient grass-and-legume gross erosion HOUN Iowa KASKA LAND legume lines loam__ locational values MADI MARION meadow PERCENT OF ANNUAL PERRY PIKE plowed POLK procedure rainfall factor rainstorm ratio of soil REN WOOD rotation row crop runoff runoff water second-year corn sediment seedbed seeding SHELBY silt loam slope length slope-practice small grain soil erosion soil-erodibility factor soil-loss equation soil-loss prediction soil-loss ratio soil-loss tolerance specific stage period storm strips terrace tillage tons per acre unit plots Watkinsville WAYNE WTAN yields